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Component Function Check




HAZARD SWITCH

Component Function Check


1. CHECK HAZARD SWITCH SIGNAL BY CONSULT

CONSULT DATA MONITOR
1.Turn power switch ON.
2.Select "HAZARD SW" of BCM (FLASHER) data monitor item.
3.With operating the hazard switch, check the monitor status.





Is the inspection result normal?
YES- Hazard switch circuit is normal.
NO- .


Diagnosis Procedure


1. CHECK HAZARD SWITCH SIGNAL INPUT

1.Turn power switch OFF.
2.Disconnect hazard switch connector.
3.Check voltage between hazard switch connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between hazard switch harness connector and BCM harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT

Check continuity between hazard switch harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace harness.

4. CHECK HAZARD SWITCH GROUND OPEN CIRCUIT

Check continuity between hazard switch harness connector and ground.





Is the inspection result normal?
YES- Replace hazard switch.
NO- Repair or replace harness.
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